General

  • Target

    file.exe

  • Size

    2.9MB

  • Sample

    241220-pb17qawjgt

  • MD5

    bca5ec4ffd71fa455f22d475ba23abc0

  • SHA1

    b2959885fd4196bddd1d4fac61ef4753d1fd6a4e

  • SHA256

    561d2aaa8e31fe8fbbb460d098b1bb901df3d0837199edcdd34134652d3f9210

  • SHA512

    f1613fc12260c82eca27dd4e3486d5ac42551f6a739352282be01c67e4e81918bbf34c943825102d8c635506010da60c873075b14b238f6c227d9e74497124f7

  • SSDEEP

    49152:2DvYp3SA4gRYB01iJSAVq0GP8vdJHKjHpf:6Qp/4gWB01iJFsL8vDqjp

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      2.9MB

    • MD5

      bca5ec4ffd71fa455f22d475ba23abc0

    • SHA1

      b2959885fd4196bddd1d4fac61ef4753d1fd6a4e

    • SHA256

      561d2aaa8e31fe8fbbb460d098b1bb901df3d0837199edcdd34134652d3f9210

    • SHA512

      f1613fc12260c82eca27dd4e3486d5ac42551f6a739352282be01c67e4e81918bbf34c943825102d8c635506010da60c873075b14b238f6c227d9e74497124f7

    • SSDEEP

      49152:2DvYp3SA4gRYB01iJSAVq0GP8vdJHKjHpf:6Qp/4gWB01iJFsL8vDqjp

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Detect Vidar Stealer

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks